From: Human papillomavirus (HPV) infection and intraepithelial neoplasia and invasive cancer of the uterine cervix: a case-control study in Zaragoza, Spain
Pathological diagnosis
Number of patients
Number (%) HPV +
CIN I
120
80 (66%)
CIN II
210
150 (71%)
CIN III
190 (90%)
Invasive carcinoma
60
56 (93%)
Total cases
600
476 (79%)
Controls
1200
210 (17%)